diff options
Diffstat (limited to 'hw/s390x/virtio-ccw-scsi.c')
-rw-r--r-- | hw/s390x/virtio-ccw-scsi.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw-scsi.c b/hw/s390x/virtio-ccw-scsi.c new file mode 100644 index 0000000000..c9a804fa25 --- /dev/null +++ b/hw/s390x/virtio-ccw-scsi.c @@ -0,0 +1,125 @@ +/* + * virtio ccw scsi implementation + * + * Copyright 2012, 2015 IBM Corp. + * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#include "qemu/osdep.h" +#include "hw/virtio/virtio.h" +#include "qapi/error.h" +#include "virtio-ccw.h" + +static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) +{ + VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + DeviceState *qdev = DEVICE(ccw_dev); + char *bus_name; + + /* + * For command line compatibility, this sets the virtio-scsi-device bus + * name as before. + */ + if (qdev->id) { + bus_name = g_strdup_printf("%s.0", qdev->id); + virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); + g_free(bus_name); + } + + qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); + object_property_set_bool(OBJECT(vdev), true, "realized", errp); +} + +static void virtio_ccw_scsi_instance_init(Object *obj) +{ + VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_SCSI); +} + +static Property virtio_ccw_scsi_properties[] = { + DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, + VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), + DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, + VIRTIO_CCW_MAX_REV), + DEFINE_PROP_END_OF_LIST(), +}; + +static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); + + k->realize = virtio_ccw_scsi_realize; + dc->props = virtio_ccw_scsi_properties; + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); +} + +static const TypeInfo virtio_ccw_scsi = { + .name = TYPE_VIRTIO_SCSI_CCW, + .parent = TYPE_VIRTIO_CCW_DEVICE, + .instance_size = sizeof(VirtIOSCSICcw), + .instance_init = virtio_ccw_scsi_instance_init, + .class_init = virtio_ccw_scsi_class_init, +}; + +#ifdef CONFIG_VHOST_SCSI + +static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) +{ + VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); + object_property_set_bool(OBJECT(vdev), true, "realized", errp); +} + +static void vhost_ccw_scsi_instance_init(Object *obj) +{ + VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_SCSI); +} + +static Property vhost_ccw_scsi_properties[] = { + DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, + VIRTIO_CCW_MAX_REV), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); + + k->realize = vhost_ccw_scsi_realize; + dc->props = vhost_ccw_scsi_properties; + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); +} + +static const TypeInfo vhost_ccw_scsi = { + .name = TYPE_VHOST_SCSI_CCW, + .parent = TYPE_VIRTIO_CCW_DEVICE, + .instance_size = sizeof(VHostSCSICcw), + .instance_init = vhost_ccw_scsi_instance_init, + .class_init = vhost_ccw_scsi_class_init, +}; + +#endif + +static void virtio_ccw_scsi_register(void) +{ + type_register_static(&virtio_ccw_scsi); +#ifdef CONFIG_VHOST_SCSI + type_register_static(&vhost_ccw_scsi); +#endif +} + +type_init(virtio_ccw_scsi_register) |